CN112441159B - Wheel tread variable structure for material loading and unloading platform - Google Patents
Wheel tread variable structure for material loading and unloading platform Download PDFInfo
- Publication number
- CN112441159B CN112441159B CN202011418643.XA CN202011418643A CN112441159B CN 112441159 B CN112441159 B CN 112441159B CN 202011418643 A CN202011418643 A CN 202011418643A CN 112441159 B CN112441159 B CN 112441159B
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- seat
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- 239000000463 material Substances 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 43
- 239000000725 suspension Substances 0.000 claims abstract description 37
- 230000008859 change Effects 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 239000003638 chemical reducing agent Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D61/00—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern
- B62D61/10—Motor vehicles or trailers, characterised by the arrangement or number of wheels, not otherwise provided for, e.g. four wheels in diamond pattern with more than four wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/02—Dead axles, i.e. not transmitting torque
- B60B35/10—Dead axles, i.e. not transmitting torque adjustable for varying track
- B60B35/1036—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance
- B60B35/1045—Dead axles, i.e. not transmitting torque adjustable for varying track operated with power assistance electrically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/06—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins
- B62D7/14—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering
- B62D7/142—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering specially adapted for particular vehicles, e.g. tractors, carts, earth-moving vehicles, trucks
- B62D7/144—Steering linkage; Stub axles or their mountings for individually-pivoted wheels, e.g. on king-pins the pivotal axes being situated in more than one plane transverse to the longitudinal centre line of the vehicle, e.g. all-wheel steering specially adapted for particular vehicles, e.g. tractors, carts, earth-moving vehicles, trucks for vehicles with more than two axles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a wheel tread variable structure for a material loading and unloading platform, which belongs to the technical field of special large-scale transportation equipment and comprises an installation seat, a steering arm, a suspension arm, a wheel tread adjusting mechanism, a steering mechanism and the like, wherein the installation seat is fixed on a frame and is used for installing the steering arm and the suspension arm, the wheel tread adjusting mechanism can drive the suspension arm to rotate to store wheels, and the steering mechanism can drive the steering arm to swing. Compared with the existing suspension and chassis structures, the structure of the invention not only can realize the change of the whole width of the material loading and unloading platform through the storage wheels, but also can realize all-wheel steering, is convenient for the platform to pass through a narrow space, and meets the application requirements of the large material loading and unloading platform.
Description
Technical Field
The invention belongs to the technical field of special large-scale transportation equipment, and particularly relates to a wheel tread variable structure for a material loading and unloading platform.
Background
The current society, the logistics transportation industry develops rapidly, and how to reliably, batchwise and conveniently load and unload and transport materials becomes a technical difficulty in the field. At present, the existing material loading and unloading platform mostly adopts a front wheel steering or rear wheel steering structure, the steering radius is larger, the trafficability is general, and the modern transportation requirement can not be met. In particular to the field of airport transportation, a loading platform needs to efficiently and safely transport cargoes to an airplane cabin, and as the space of the airport and the cabin is limited, the posture of a vehicle body needs to be continuously adjusted in a small space to finish actions such as starting, stopping and steering, and the like, the improvement and optimization of the existing structure are urgently needed to meet new technical requirements.
Disclosure of Invention
In view of the above, the invention provides a wheel tread variable structure for a material loading platform, which has the advantages of simple structure and reliable work, not only can realize the change of the whole width of the material loading platform through accommodating wheels, but also can realize all-wheel steering, is convenient for the platform to pass through a narrow space, and meets the application requirements of a large-scale material loading platform.
The invention adopts the following technical scheme:
The utility model provides a track variable structure for goods and materials loading platform, includes mount pad, steering arm, suspension arm, track guiding mechanism and steering mechanism, wherein: the steering arm consists of a steering cross arm and a steering oblique arm, the steering cross arm is rotatably arranged in the mounting seat, the bottom of the steering oblique arm is provided with a steering hinging seat used for being connected with a steering mechanism, and the bottom surface of the steering cross arm is provided with a fixing seat used for mounting a wheel tread adjusting mechanism; the top of the suspension arm is rotatably arranged in the mounting seat, and the bottom of the suspension arm is provided with a driving wheel; the wheel track adjusting mechanism comprises an adjusting worm wheel, an adjusting worm, a transmission gear set and a speed reducer, wherein the adjusting worm wheel is arranged at the top of the suspension arm, the adjusting worm is arranged in the fixed seat and meshed with the adjusting worm wheel, and the tail end of the adjusting worm is connected with the motor through the transmission gear set and the speed reducer; the steering mechanism is connected with the steering hinge seat and is used for driving the steering arm, the suspension arm and the driving wheel to swing in sequence.
Preferably, the suspension arm comprises first linking arm and the second linking arm of mutual articulated, install flexible hydro-cylinder between first linking arm and the second connection, flexible motion of flexible hydro-cylinder can change the contained angle between first linking arm and the second linking arm in order to drive goods and materials loading platform elevating movement, the rotatable setting in mount pad in top of first linking arm, second linking arm bottom is used for installing the drive wheel.
Preferably, the mount pad is by joint seat, main articulated seat and pivot, wherein: the clamping seat is used for connecting a longitudinal beam of the frame; the rotating shaft is arranged in the main hinge seat and used for sequentially installing the steering cross arm, the adjusting worm wheel and the first connecting arm.
Preferably, the steering mechanism comprises a bidirectional oil cylinder, a first telescopic rod, a second telescopic rod, a first connecting arm and a second steering arm, wherein: the bidirectional oil cylinder is arranged on a cross beam of the frame through a base; the first telescopic rod of the bidirectional oil cylinder is hinged with one end of a first steering arm, and the other end of the first steering arm is hinged with a steering hinge seat on one side; the second telescopic rod of the bidirectional oil cylinder is hinged with one end of a second steering arm, and the other end of the second steering arm is hinged with the steering hinge seat on the other side.
Preferably, the driving wheel comprises a hub motor and a wheel, and the hub motor is used for driving the wheel to rotate.
Preferably, the number of the mounting seat, the steering arm, the suspension arm, the track adjusting mechanism and the driving wheel is four, six, eight, ten or twelve.
Preferably, the number of the mounting seats, the steering arms, the suspension arms, the wheel tread adjusting mechanisms and the driving wheels is ten, two groups of the wheel tread variable structures are symmetrically arranged on the frame to form five groups of wheel tread variable structures, wherein: steering mechanisms are arranged among the first group of wheel tread variable structures, the second group of wheel tread variable structures, the fourth group of wheel tread variable structures and the fifth group of wheel tread variable structures.
The wheel tread variable structure for the material loading and unloading platform has the following beneficial effects:
1) This wheel tread variable structure adopts novel structure, with steering arm and suspension arm independent design, the contained angle that utilizes worm gear structure can be ingenious change between steering arm and the suspension arm is in order to change material loading and unloading platform's width, through accomodating the whole width that the wheel can be very big reduction platform, the convenience is through narrow space, for example: and (5) boarding and disembarking the aircraft. Meanwhile, in a full-load state, the cargo carrying stability of the platform can be greatly improved by increasing the wheel track.
2) The wheel track variable structure can work simultaneously by matching with the steering mechanism, and a more flexible steering angle is realized. The toe-in angle of the wheels is adjusted by the wheel tread variable structure, and the steering angle of the wheels is changed by the steering mechanism, so that optimal all-wheel steering is ensured, the minimum steering radius of the material loading and unloading platform is realized, and the passing capacity of the material loading and unloading platform is obviously improved.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a first overall construction schematic of the present invention;
FIG. 2 is a second overall construction schematic of the present invention;
FIG. 3 is a schematic view of the steering and suspension arms of the present invention;
FIG. 4 is a schematic view of the steering mechanism of the present invention;
FIG. 5 is a schematic view of the track adjusting mechanism of the present invention;
FIG. 6 is a schematic installation view of the present invention;
FIG. 7 is a schematic illustration of an application of the present invention;
FIG. 8 is a schematic diagram of the maximum track width of the present invention;
Fig. 9 is a schematic diagram of the minimum track width of the present invention.
The device comprises a 1-mounting seat, a 101-clamping seat, a 102-main hinge seat, a 103-rotating shaft, a 2-steering arm, a 201-steering cross arm, a 202-steering inclined arm, a 203-steering hinge seat, a 204-fixing seat, a 3-suspension arm, a 301-first connecting arm, a 302-second connecting arm, a 303-telescopic cylinder, a 4-wheel track adjusting mechanism, a 401-adjusting worm wheel, a 402-adjusting worm, a 403-transmission gear group, a 404-speed reducer, a 5-steering mechanism, a 501-bidirectional cylinder, a 502-first telescopic rod, a 503-second telescopic rod, a 504-first steering arm, a 505-second steering arm, a 6-driving wheel, a 601-wheel hub motor, 602-wheels and a 7-frame.
Detailed Description
In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
The present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 9, the track variable structure for the material loading platform comprises an installation seat 1, a steering arm 2, a suspension arm 3, a track adjusting mechanism 4 and a steering mechanism 5, wherein the track adjusting mechanism 4 can drive the suspension arm 3 to rotate around the installation seat 1 to change the track, the driving wheel 6 in fig. 1 is in a minimum track state, the narrow space can be flexibly accessed in the state, the driving wheel 6 in fig. 2 is in a maximum track state, the full load is carried out in the state, and the stability of the platform can be improved.
As shown in fig. 3 and 4, the steering arm 2 is composed of a steering cross arm 201 and a steering oblique arm 202, the steering cross arm 201 and the steering oblique arm 202 are welded or integrally formed, the top of the steering cross arm 201 is provided with a hole, the steering cross arm 201 is rotatably arranged in the mounting seat 1, the bottom of the steering oblique arm 202 is provided with a steering hinge seat 203 for connecting the steering mechanism 5, and the bottom surface of the steering cross arm 201 is provided with a fixing seat 204 for mounting the wheel tread adjusting mechanism 4. Specifically, the steering mechanism 5 is connected to the steering hinge base 203, and is configured to sequentially drive the steering arm 2, the suspension arm 3, and the driving wheel 6 to swing.
The steering mechanism 5 includes a bidirectional cylinder 501, a first telescopic link 502, a second telescopic link 503, a first steering arm 504, and a second steering arm 505, wherein: the bidirectional oil cylinder 501 is arranged on a cross beam of the frame 7 through a base; the first telescopic rod 502 of the bidirectional oil cylinder 501 is hinged with one end of a first steering arm 504, and the other end of the first steering arm 504 is hinged with a steering hinge seat 203 at one side; the second telescopic rod 503 of the bidirectional cylinder 501 is hinged to one end of the second steering arm 505, and the other end of the second steering arm 505 is hinged to the steering hinge seat 203 on the other side. In actual operation, by controlling the telescopic length of the bidirectional oil cylinder 501, the telescopic rod drives the connecting arm, the steering hinge seat, the steering arm 2, the suspension arm 3 and the driving wheel 6 to swing in sequence, so that the specific angle steering of the wheels is realized.
In fig. 3, the suspension arm 3 is composed of a first connecting arm 301 and a second connecting arm 302 which are hinged to each other, specifically, a top of the first connecting arm 301 is provided with a hole, the first connecting arm 301 is rotatably arranged in the mounting seat 1, a telescopic oil cylinder 303 is installed between the first connecting arm 301 and the second connecting arm 302, two ends of the telescopic oil cylinder 303 are installed in the middle of the first connecting arm 301 and the second connecting arm 302 through hinge shafts, the telescopic movement of the telescopic oil cylinder 303 can change an included angle between the first connecting arm 301 and the second connecting arm 302 to drive a material loading platform to move up and down, the top of the first connecting arm 301 is rotatably arranged in the mounting seat 1, the bottom of the second connecting arm 302 is used for installing a driving wheel 6, specifically, the driving wheel 6 comprises a hub motor 601 and a wheel 602, the hub motor 601 is used for driving the wheel 602 to rotate, independent control can be realized by adopting the hub motor 601, and flexible driving force is provided.
As shown in fig. 4 and 5, the track adjusting mechanism 4 includes an adjusting worm wheel 401, an adjusting worm 402, a driving gear set 403 and a speed reducer 404, the adjusting worm wheel 401 is disposed at the top of the suspension arm 3, the adjusting worm wheel 401 is coaxially disposed with the top hole of the suspension arm 3, the adjusting worm wheel 401 is fixed on the top hole, the adjusting worm 402 is installed in the fixing seat 204 and is meshed with the adjusting worm wheel 401, the tail end of the adjusting worm 402 is connected with the motor through the driving gear set 403 and the speed reducer 404, specifically, the driving gear set 403 may be in the form of a bevel gear set, a bevel gear set or other gears, and the forward and reverse rotation of the adjusting worm 402 may drive the adjusting worm wheel 401 and the suspension arm 3 to rotate clockwise or anticlockwise, so as to implement the storage or the unfolding of the wheels.
As shown in fig. 1 and 6, the mounting base 1 is composed of a clamping base 101, a main hinge base 102 and a rotating shaft 103, wherein the clamping base 101 is used for connecting a longitudinal beam of the frame 7; the rotation shaft 103 is installed in the main hinge seat 102 for sequentially installing the steering cross arm 201, the adjustment worm wheel 401, and the first connection arm 301.
In specific implementation, as shown in fig. 7 and 8 and fig. 9, the number of the mounting seats 1, the steering arms 2, the suspension arms 3, the track adjusting mechanisms 4 and the driving wheels 6 can be four, six, eight, ten or twelve, or even more, and each two mounting seats 1, the steering arms 2, the suspension arms 3, the track adjusting mechanisms 4 and the driving wheels 6 are a group, and are symmetrically mounted on the frame 7. In this embodiment, the number of the mounting seats 1, the steering arms 2, the suspension arms 3, the track adjusting mechanism 4 and the driving wheels 6 is ten, and two groups of the mounting seats are symmetrically arranged on the frame 7 to form five groups of track variable structures, wherein: steering mechanisms 5 are arranged among the first group of wheel tread variable structures, the second group of wheel tread variable structures, the fourth group of wheel tread variable structures and the fifth group of wheel tread variable structures, and the steering mechanisms 5 are not arranged among the third group of wheel tread variable structures. It should be noted that, as shown in fig. 8 and 9, the track L represents the maximum width of the material loading and unloading platform, the track variable structure adopts a novel structure, the steering arm and the suspension arm are independently designed, the included angle between the steering arm and the suspension arm can be skillfully changed by using the worm and gear structure to change the width L of the material loading and unloading platform, the whole width of the platform can be greatly reduced by accommodating the wheels, and the device is convenient to pass through a narrow space, for example: and (5) boarding and disembarking the aircraft. Meanwhile, in a full-load state, the cargo carrying stability of the platform can be greatly improved by increasing the wheel track.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (4)
1. The utility model provides a track variable structure for goods and materials loading platform, its characterized in that includes mount pad (1), steering arm (2), suspension arm (3), track guiding mechanism (4) and steering mechanism (5), wherein:
the steering arm (2) consists of a steering cross arm (201) and a steering oblique arm (202), the steering cross arm (201) is rotatably arranged in the mounting seat (1), the bottom of the steering oblique arm (202) is provided with a steering hinging seat (203) for connecting a steering mechanism (5), and the bottom surface of the steering cross arm (201) is provided with a fixing seat (204) for mounting a wheel tread adjusting mechanism (4);
the top of the suspension arm (3) is rotatably arranged in the mounting seat (1), and a driving wheel (6) is arranged at the bottom of the suspension arm (3);
The wheel track adjusting mechanism (4) comprises an adjusting worm wheel (401), an adjusting worm (402), a transmission gear set (403) and a speed reducer (404), wherein the adjusting worm wheel (401) is arranged at the top of the suspension arm (3), the adjusting worm (402) is arranged in the fixed seat (204) and meshed with the adjusting worm wheel (401), and the tail end of the adjusting worm (402) is connected with a motor through the transmission gear set (403) and the speed reducer (404);
The steering mechanism (5) is connected with the steering hinging seat (203) and is used for driving the steering arm (2), the suspension arm (3) and the driving wheel (6) to swing in sequence;
The suspension arm (3) consists of a first connecting arm (301) and a second connecting arm (302) which are mutually hinged, a telescopic oil cylinder (303) is arranged between the first connecting arm (301) and the second connecting arm (302), the telescopic movement of the telescopic oil cylinder (303) can change the included angle between the first connecting arm (301) and the second connecting arm (302) so as to drive a material loading platform to move up and down, the top of the first connecting arm (301) is rotatably arranged on the mounting seat (1), and the bottom of the second connecting arm (302) is used for mounting the driving wheel (6);
The mounting seat (1) is composed of a clamping seat (101), a main hinge seat (102) and a rotating shaft (103), wherein:
The clamping seat (101) is used for connecting a longitudinal beam of the frame (7);
The rotating shaft (103) is arranged in the main hinge seat (102) and is used for sequentially installing the steering cross arm (201), the adjusting worm wheel (401) and the first connecting arm (301);
The steering mechanism (5) comprises a bidirectional oil cylinder (501), a first telescopic rod (502), a second telescopic rod (503), a first steering arm (504) and a second steering arm (505), wherein:
the bidirectional oil cylinder (501) is arranged on a cross beam of the frame (7) through a base;
A first telescopic rod (502) of the bidirectional oil cylinder (501) is hinged with one end of a first steering arm (504), and the other end of the first steering arm (504) is hinged with a steering hinging seat (203) at one side;
The second telescopic rod (503) of the bidirectional oil cylinder (501) is hinged with one end of the second steering arm (505), and the other end of the second steering arm (505) is hinged with the steering hinge seat (203) on the other side.
2. The track-variable structure for a material loading platform according to claim 1, wherein the driving wheel (6) includes a hub motor (601) and a wheel (602), and the hub motor (601) is configured to rotate the wheel (602).
3. The track-variable structure for a material loading platform according to claim 2, wherein the number of the mounting base (1), the steering arm (2), the suspension arm (3), the track adjusting mechanism (4) and the driving wheel (6) is four, six, eight, ten or twelve.
4. A track-width-variable structure for a material loading platform according to claim 3, wherein the number of the mounting seat (1), the steering arm (2), the suspension arm (3), the track-width adjusting mechanism (4) and the driving wheel (6) is ten, and two groups of the track-width-variable structure are symmetrically arranged on the frame (7) to form five groups of track-width-variable structures, wherein: steering mechanisms (5) are arranged among the first group of wheel tread variable structures, the second group of wheel tread variable structures, the fourth group of wheel tread variable structures and the fifth group of wheel tread variable structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418643.XA CN112441159B (en) | 2020-12-06 | 2020-12-06 | Wheel tread variable structure for material loading and unloading platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011418643.XA CN112441159B (en) | 2020-12-06 | 2020-12-06 | Wheel tread variable structure for material loading and unloading platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112441159A CN112441159A (en) | 2021-03-05 |
| CN112441159B true CN112441159B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011418643.XA Active CN112441159B (en) | 2020-12-06 | 2020-12-06 | Wheel tread variable structure for material loading and unloading platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN112441159B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113602387B (en) * | 2021-07-19 | 2022-11-11 | 四川宏华石油设备有限公司 | Variable-wheel-track host towing system and application method thereof |
| CN114312142B (en) * | 2021-12-28 | 2023-08-01 | 江西鑫通机械制造有限公司 | Simple steering axle of mining trolley |
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| CN112441159A (en) | 2021-03-05 |
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